A piece of glass or plastic shaped so as to focus or spread parallel light rays that pass through it to form an image. b. A combination of two or more such lenses used to form an image, as in a camera or telescope. Also called compound lens.
Step 5 Pick your flowers. To prevent bees from buzzing near your house, reduce the amount of flowering plants you keep on your porch or in other areas of your yard that are near doors and windows. Quick Tip: Some people say that hanging mothballs in pantyhose in your yard will repel bees.
Mothballs are made of naphthalene or paradichlorobenzene, and toilet deodorizers predominantly consist of paradichlorobenzene. Differentiation between the two types of mothballs is difficult because they have similar odors and are both white, crystalline solids at room temperature. Our patient was unable to identify which brands of mothballs she abused; therefore, it is likely that she was exposed to both types.